Upstream information
Description
In Trusted Firmware Mbed TLS 2.24.0, a side-channel vulnerability in base64 PEM file decoding allows system-level (administrator) attackers to obtain information about secret RSA keys via a controlled-channel and side-channel attack on software running in isolated environments that can be single stepped, especially Intel SGX.SUSE information
Overall state of this security issue: Resolved
This issue is currently rated as having moderate severity.
| CVSS detail | National Vulnerability Database | 
|---|---|
| Base Score | 4 | 
| Vector | AV:N/AC:L/Au:S/C:P/I:N/A:N | 
| Access Vector | Network | 
| Access Complexity | Low | 
| Authentication | Single | 
| Confidentiality Impact | Partial | 
| Integrity Impact | None | 
| Availability Impact | None | 
| CVSS detail | National Vulnerability Database | 
|---|---|
| Base Score | 4.9 | 
| Vector | CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N | 
| Attack Vector | Network | 
| Attack Complexity | Low | 
| Privileges Required | High | 
| User Interaction | None | 
| Scope | Unchanged | 
| Confidentiality Impact | High | 
| Integrity Impact | None | 
| Availability Impact | None | 
| CVSSv3 Version | 3.1 | 
SUSE Security Advisories:
- openSUSE-SU-2021:1344-1, published Mon Oct 11 21:41:56 2021
- openSUSE-SU-2021:1355-1, published Fri Oct 15 09:41:23 2021
- openSUSE-SU-2021:1389-1, published Thu Oct 21 00:41:19 2021
List of released packages
| Product(s) | Fixed package version(s) | References | 
|---|---|---|
| SUSE Package Hub 15 SP2 | 
 | Patchnames: openSUSE-2021-1355 | 
| SUSE Package Hub 15 SP3 | 
 | Patchnames: openSUSE-2021-1389 | 
| openSUSE Leap 15.2 | 
 | Patchnames: openSUSE-2021-1344 | 
| openSUSE Leap 15.3 | 
 | Patchnames: openSUSE-2021-1389 | 
| openSUSE Tumbleweed | 
 | Patchnames: openSUSE-Tumbleweed-2024-11552 | 
SUSE Timeline for this CVE
CVE page created: Thu Jul 15 16:58:53 2021CVE page last modified: Mon Oct 6 19:29:31 2025
